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Table 2 Morphologic characters of cromyocrinid genera

From: Mississippian–Permian evolution and paleogeographic distribution of the Cromyocrinidae and Pirasocrinidae (Crinoidea, Dendrocrinida)

Cromyocrinid genera

Crown elongate cylinder

Cup only

up low bowl

Cup medium bowl

Cup medium vase

Cup globose

Cup ornamented

Cup plates thick

Sutures impressed

Basal concavity shallow

Basal concavity medium

Basal concavity deep

Anals 3

Anals 2 or 3

Moapacrinus

X

  

X

  

X

X

X

     

Probletocrinus

X

   

X

  

X

X

     

Hemiindocrinus

 

X

   

X

      

X

 

Minilyacrinus

X

      

X

  

X

   

Parulocrinus

X

  

X

 

X

 

X

X

X

   

X

Ulocrinus

X

   

X

  

X

X

     

Parethlocrinus

   

X

   

X

X

X

   

X

Aaglaocrinus

X

 

X

   

X

X

X

X

    

Metacromyocrinus

X

  

X

 

X

X

X

X

    

X

Paracromyocrinus

X

  

X

 

X

X

X

X

 

X

   

Tarachiocrinus

X

  

X

   

X

 

X

  

X

 

Aglaocrinus

X

  

X

 

X

 

X

X

  

X

 

X

Diphuicrinus

X

 

X

   

X

X

X

  

X

  

Synarmocrinus

X

  

X

  

X

X

X

     

Mathericrinus

X

     

X

X

X

    

X

Ethelocrinus

X

 

X

  

X

X

X

X

  

X

  

Mooreocrinus

X

  

X

 

X

 

X

X

   

X

 

Dicromyocrinus

X

  

X

  

X

X

X

   

X

 

Goleocrinus

X

    

X

 

X

X

X

  

X

 

Cromyocrinus

X

  

X

 

X

 

X

X

   

X

 

Manikosocrinus

X

  

X

  

X

X

    

X

 

Tyrieocrinus

 

X

   

X

      

X

 

Ureocrinus

X

   

X

        

X

Cromyocrinid genera

Anals 2

Anals 1

Brachials rectilinear

Brachials cuneate

Brachials chisels

Brachials wedges

Arms uniserial

Arms biserial

Arms 5

Arms 10

Arms 14

Arms 16

Arms 18-20

Arms rounded externally

Arms flat externally

Moapacrinus

 

X

X

   

X

  

X

   

X

 

Probletocrinus

            

X

  

Hemiindocrinus

               

Minilyacrinus

 

X

 

X

 

X

X

     

X

X

 

Parulocrinus

    

X

  

X

  

X

X

 

X

 

Ulocrinus

X

   

X

  

X

 

X

   

X

 

Parethlocrinus

    

X

  

X

   

X

  

X

Aaglaocrinus

X

      

X

 

X

X

?

 

X

 

Metacromyocrinus

    

X

  

X

 

X

   

X

 

Paracromyocrinus

X

   

X

  

X

 

X

   

X

 

Tarachiocrinus

    

X

  

X

   

X

 

X

 

Aglaocrinus

    

X

  

X

   

X

 

X

 

Diphuicrinus

 

X

 

X

 

X

X

  

X

     

Synarmocrinus

X

  

X

   

X

 

X

    

X

Mathericrinus

       

X

 

X

   

X

 

Ethelocrinus

X

   

X

  

X

   

X

X

 

X

Mooreocrinus

  

X

   

X

  

X

   

X

 

Dicromyocrinus

   

X

 

X

X

  

X

   

X

 

Goleocrinus

   

X

 

X

X

  

X

   

X

 

Cromyocrinus

   

X

 

X

X

 

X

    

X

 

Manikosocrinus

   

X

 

X

X

  

X

   

X

 

Tyrieocrinus

               

Ureocrinus

  

X

   

X

 

X

    

X